3 × 7 × 31 × 521

Prime Factor Structure

Factorization String 3 × 7 × 31 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 534,528

Proper Divisor Sum 195,357

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #339161 ← → #339173

1 3 7 21 31 93 217 521 651 1,563 3,647 10,941 16,151 48,453 113,057 339,171

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

339,171 1,017,514 508,757 1,526,272 763,136 381,568 190,784 95,392 47,696 23,848 11,924 5,962 2,981 8,944 4,472 2,236 1,118 559 1,678 839 2,518 1,259 3,778 1,889 5,668 2,834 1,417 4,252 2,126 1,063 3,190 1,595 4,786 2,393 7,180 3,590 1,795 5,386 2,693 8,080 4,040 2,020 1,010 505 1,516 758 379 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361

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